Proform Slant-Edge Tall Valve Cover - Baffled - Breather Hole - Recessed Chevrolet Logo - Polished - Big Block Chevy (Pair) 717007 They can withstand the shearing

They can withstand the shearing force created by the two materials

intake manifolds

531" QPQ coated shaft and cast gear

These Grade 8 bolts have a 12 point smaller-than-standard head & flange

1978-1978 Chevrolet C30

Proform Slant-Edge Tall Valve Cover - Baffled - Breather Hole - Recessed Chevrolet Logo - Polished - Big Block Chevy (Pair) 717007 They can withstand the shearingProduct Description: Valve Cover Slant Edge Tall Baffled Breather Hole Recessed Chevrolet Logo Aluminum Polished Big Block Chevy Pair PROFORM invites racers to experience the strength, innovation, and power behind the PROFORM brand. PROFORM Parts (Specialty Auto Parts U. S. A., Inc.) is a leader in the High Performance Automotive Aftermarket by engineering and manufacturing creative products from intelligent concepts. Our goal is to provide the